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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-1394.032845
Energy at 298.15K-1394.035069
HF Energy-1392.661557
Nuclear repulsion energy612.118484
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1308 1240 0.00      
2 Ag 1089 1033 0.00      
3 Ag 717 679 0.00      
4 Ag 455 431 0.00      
5 Ag 363 344 0.00      
6 Ag 258 245 0.00      
7 Au 1218 1154 395.37      
8 Au 386 366 0.38      
9 Au 227 215 1.88      
10 Au 69 65 0.38      
11 Bg 1209 1146 0.00      
12 Bg 552 524 0.00      
13 Bg 330 313 0.00      
14 Bu 1160 1099 380.27      
15 Bu 872 826 373.58      
16 Bu 619 587 11.86      
17 Bu 448 425 1.34      
18 Bu 173 164 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 5725.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 5427.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/TZVP
ABC
0.07371 0.03861 0.03468

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.240 0.739 0.000
C2 0.240 -0.739 0.000
Cl3 -2.003 0.821 0.000
Cl4 2.003 -0.821 0.000
F5 0.240 1.355 1.086
F6 0.240 1.355 -1.086
F7 -0.240 -1.355 1.086
F8 -0.240 -1.355 -1.086

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55451.76452.73271.33771.33772.35882.3588
C21.55452.73271.76452.35882.35881.33771.3377
Cl31.76452.73274.32962.54902.54903.00353.0035
Cl42.73271.76454.32963.00353.00352.54902.5490
F51.33772.35882.54903.00352.17182.75213.5058
F61.33772.35882.54903.00352.17183.50582.7521
F72.35881.33773.00352.54902.75213.50582.1718
F82.35881.33773.00352.54903.50582.75212.1718

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 110.680 C1 C2 F7 109.057
C1 C2 F8 109.057 C2 C1 Cl3 110.680
C2 C1 F5 109.057 C2 C1 F6 109.057
Cl3 C1 F5 109.737 Cl3 C1 F6 109.737
Cl4 C2 F7 109.737 Cl4 C2 F8 109.737
F5 C1 F6 108.533 F7 C2 F8 108.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability